<template>
    <basic-container>
        <p>请打开浏览器控制台，然后点击下面的按钮</p>
        <el-button type="danger"
                   @click="handleNewError">触发一个错误</el-button>
    </basic-container>
</template>

<script>
export default {
    methods: {
        handleNewError () {
            console.log(a) // eslint-disable-line
        }
    }
}
</script>